<template>
  <div class="father">
    <h3>父组件</h3>
    <h4>汽车：{{car}}</h4>
    <h4 v-if="toy">子给的玩具：{{toy}}</h4>
		<Child :car="car" :sendToy="getToy"/>
  </div>
</template>

<script setup lang="ts" name="Father">
	import Child from './Child.vue'
  import {ref} from "vue";
  //数据
  let car = ref('奔驰')
  let toy = ref('')
  //方法
  function getToy(value:string){
    toy.value = value
  }

</script>

<style scoped>
	.father{
		background-color:rgb(165, 164, 164);
		padding: 20px;
		border-radius: 10px;
	}
</style>